PROCESS FOR PRODUCING AMINE DERIVATIVES

摘要

A process for conveniently and industrially advantageously producing amine derivatives having effects of inhibiting the secretion and accumulation of amyloid .beta. protein. In compounds (I), the ether bond is selectively severed without severing the amide bond which is present in the same molecul e and tertiary amines are not converted into quaternary salts. Thus, amine derivatives (V) with good qualities having effects of inhibiting the secreti on and accumulation of amyloid .szlig. protein can be obtained at a high yield.